19
Physical keyboard for alarm
(sh.itjust.works)
Home Assistant is open source home automation that puts local control and privacy first. Powered by a worldwide community of tinkerers and DIY enthusiasts. Perfect to run on a Raspberry Pi or a local server. Available for free at home-assistant.io
There are definitely a lot over there for sale, but I haven't seen any brands I recognized or wanted to take a gamble on. If you see something like, just try and find a review on it somewhere.
I've not seen a single ZigBee keypad. Some WiFi ones but that's trickier to get working without the cloud. There are also no generic ZigBee tuya keypad listed on the Z2M device list, which leads me to believe there isn't any I have missed.